I accept when i click the CHECKMARK , it works without any issues , but i don't want do any changes in Text area and want to come out then i need to click X . this problem only happening when i click the X .

Paragraph and styles disappear in Full screen when i  click the X [close] and re-open the Full screen . It has happen Rich Text in  [ Adobe Experience Manager, Version 6.3.1.2 ]  . you can reproduce , if follow the below the steps .   Go to Rich Text component in AEM author  - click Edit and go to F...